Free-standing fireplace



FIG. 1 is a front, top and right side perspective view of a free-standing fireplace showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof, the left side being a mirror image thereof; and

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a free-standing fireplace, substantially as shown and described. 